Speedy and Advanced environment is always a replacement to old sluggish features.Now it might happen atleast in the scenario of Traditional BIOS in PC’s.At Computex 2011 recently,Microsoft took the stage to give a demo of Windows 8. One main intiative mentioned was, the requirement of UEFI to run Windows 8 on ARM based tablets.UEFI is the acronym for Unified Extensible Firmware interface. It is basically a replacement for BIOS which is used to set up the hardware and load and start an operating system in today’s PCs.Clearly It.s not a primarily introduction of UEFI by Microsoft, since this technology is already in the market.
As allmight be familiar with our The BIOS, which is a computer’s Basic Input-Output System. It’s a low-level software that’s so important integrally that resides on a chip that’s built into the motherboard. When your computer starts up, it’s the BIOS’s job to wake up the various components and make sure they’re functioning, then it passes off functionality to your operating system or another boot loader.Now it might ne next an era of UEFI.Although not everything is optimal/accurate yet, but UEFI operates already at BIOS level, so manufacturers have been starting to use it more on their motherboards.
Initially UEFI was developed by Intel for their Itanium based servers. The main limitation of BIOS was that it was a 16-bit with just 1 MB of addressable space and utilized Master Boot Record (MBR) partition scheme. Thus there were constraints on the amount of RAM that could be used by BIOS and it couldn’t support an HDD with a capacity of above 2.2TB. In order to overcome these limitations, Intel introduced the Intel Boot Initiative which was later renamed as EFI. It was then taken over by the Unified EFI Forum, which evolved it into UEFI.The original EFI interface is used in Macs and only supports Intel processors. But UEFI on the other hand supports both Intel and AMD processors.
http://www.youtube.com/watch?v=YLwHKHqBitc&feature=player_embedded
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